This review of whether children and adolescents with attention deficit with hyperactivity disorder (ADHD) had more dental caries than children and adolescents without ADHD included 13 observational studies. The findings suggest a higher risk of caries in children with ADHD Odds ratio = 3.31(95%CI; 1.25 to 8.73) and a significantly higher DMFT index Mean difference = 0.75 (0.38 to 1.13). However because of heterogeneity in the included study designs and a lack of adjustments for confounding factors the findings should be interpreted cautiously.
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